DE2830832C2 - Computer-Tomograph - Google Patents

Computer-Tomograph

Info

Publication number
DE2830832C2
DE2830832C2 DE2830832A DE2830832A DE2830832C2 DE 2830832 C2 DE2830832 C2 DE 2830832C2 DE 2830832 A DE2830832 A DE 2830832A DE 2830832 A DE2830832 A DE 2830832A DE 2830832 C2 DE2830832 C2 DE 2830832C2
Authority
DE
Germany
Prior art keywords
output signals
paths
radiation
processing
fan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE2830832A
Other languages
German (de)
English (en)
Other versions
DE2830832A1 (de
Inventor
Christopher Archibald Gordon Osterley Lemay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EMI Ltd HAYES MIDDLESEX GB
Original Assignee
EMI Ltd HAYES MIDDLESEX GB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EMI Ltd HAYES MIDDLESEX GB filed Critical EMI Ltd HAYES MIDDLESEX GB
Publication of DE2830832A1 publication Critical patent/DE2830832A1/de
Application granted granted Critical
Publication of DE2830832C2 publication Critical patent/DE2830832C2/de
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Medical Treatment And Welfare Office Work (AREA)
DE2830832A 1977-07-12 1978-07-11 Computer-Tomograph Expired DE2830832C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB29256/77A GB1576286A (en) 1977-07-12 1977-07-12 Radiograhy

Publications (2)

Publication Number Publication Date
DE2830832A1 DE2830832A1 (de) 1979-01-25
DE2830832C2 true DE2830832C2 (de) 1985-07-04

Family

ID=10288627

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2830832A Expired DE2830832C2 (de) 1977-07-12 1978-07-11 Computer-Tomograph

Country Status (4)

Country Link
JP (1) JPS5419693A (enrdf_load_stackoverflow)
DE (1) DE2830832C2 (enrdf_load_stackoverflow)
FR (1) FR2397179A1 (enrdf_load_stackoverflow)
GB (1) GB1576286A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1104727A (en) * 1977-08-18 1981-07-07 Godfrey N. Hounsfield Rotation-only ct scanner with beam deflection
US4278889A (en) * 1979-10-15 1981-07-14 Ohio Nuclear, Inc. Current amplifier with automatic drift correction for tomographic scanners
JPS59158800A (ja) * 1983-02-25 1984-09-08 新明和工業株式会社 高所作業車の安全装置
WO1985004090A1 (en) * 1984-03-15 1985-09-26 Yokogawa Medical Systems, Ltd. X-ray ct image processor
FR2636752B1 (fr) * 1988-09-16 1990-10-26 Gen Electric Cgr Procede et systeme de correction des defauts d'images d'un scanner dus aux deplacements de ce dernier

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1283915A (en) * 1968-08-23 1972-08-02 Emi Ltd A method of and apparatus for examination of a body by radiation such as x or gamma radiation
GB1430989A (en) * 1971-06-30 1976-04-07 Clarke Gravely Corp Floor or carpet cleaning apparatus
GB1471531A (en) * 1973-04-25 1977-04-27 Emi Ltd Radiography
GB1493594A (en) * 1974-01-31 1977-11-30 Emi Ltd Radiography
GB1526764A (en) * 1974-11-29 1978-09-27 Univ Leland Stanford Junior Position sensitive x-ray or ypsilon-ray detector and 3-d tomography using same
GB1537487A (en) * 1975-03-18 1978-12-29 Emi Ltd Radiography
GB1571509A (en) * 1976-03-03 1980-07-16 Emi Ltd Radiography
GB1577615A (en) * 1976-05-13 1980-10-29 Emi Ltd Radiography
BE850233A (fr) * 1977-01-10 1977-05-02 Emi Ltd Appareil de tomographie a compensation de sensibilite des detecteurs

Also Published As

Publication number Publication date
GB1576286A (en) 1980-10-08
JPS5419693A (en) 1979-02-14
FR2397179B1 (enrdf_load_stackoverflow) 1983-03-04
FR2397179A1 (fr) 1979-02-09
JPS5543770B2 (enrdf_load_stackoverflow) 1980-11-08
DE2830832A1 (de) 1979-01-25

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BRUEMMERSTEDT, H., DIPL.-ING., PAT.-ANW., 3000 HANNOVER

8339 Ceased/non-payment of the annual fee